Hmm, doesn't seem to be working:
$ epub-meta accelerando.epub
Title : Accelerando-test
Author : Charles Stross
Producer : calibre (0.4.139) [
http://calibre.kovidgoyal.net]
Tags : prose, singularity
Series : joyful exploits of merry manfred #1
Language : UND
Reader (Sony PRS-505) doesn't show up any collections. Anything else I need to do?